unfortunately; regrettably; sad to say
understanding; comprehension; appreciation; sympathy
bright; intelligent; clever; smart
tension; mental strain; nervousness
blood (in one's face, cheeks, etc.); colour; color; hot-bloodedness; hotheadedness; impulsive temperament
guinea pig (Cavia porcellus); subject of an experiment; (human) guinea pig
declining; refusal; rejection; announcement; notice
to move; to stir; to operate; to run; to make a move; to take action; to be touched
to lose (something); to mislay; to get rid of; to eliminate; to remove
to take someone (to some place); to take someone along; to lead someone away
departure; setting off; being used up; being consumed; passage of time; lapse; rehearsal
pistol; handgun; revolver
computer-aided design; CAD
silver; senior citizen; pensioner
custom; made or built to order; customs (government agency)
to screw in; to thrust into; to push into; to protest (and seek rectification); to complain
arm; skill; efforts; ability
part; portion; amount; worth (as in "two days' worth"); one's means; one's place; one's duty
to be late; to be delayed; to fall behind (in a race, one's studies, etc.); to lag behind; to be bereaved of; to be preceded by (someone) in death
to thrust (something) into (something); to cram; to plunge into; to charge into; to delve into (a matter); to go into depth; to press (someone) about
assistance; support; subsidy; supplement; auxiliary; subsidiary
mechanism; organization; organisation
to guide; to lead; to show the way; to derive; to deduce
force; strength; capability; ability; efficacy; effect; effort
to fill; to become full (of); to wax (of the moon); to rise (of the tide); to flow; to expire (of a period of time)
interior; inside; internal
vigorously; with great force; energetically; enthusiastically; with spirit
to spout out; to spurt out; to sprout; to bud; to burst into laughter; to blow (smoke, etc.)
to lose; to be defeated; to succumb; to give in; to be inferior to; to break out in a rash due to (e.g. lacquer, shaving, etc.)
right hand; right-hand side; right-hand direction; (on) the right
to fly; to soar; to jump; to leap; to spatter; to scatter; to hurry
big; large; loud; extensive; spacious; important
to backfire; to produce a result opposite to what was expected or intended
jet; spray; injection; jet propulsion
reaction; recoil; kick; backlash